Sock It To Me writes, "See how serene these mewnicorns look? That's how you'll feel once you slide these comfy, cozy slipper socks on your feet. Wrap yourself up in fleecy bliss and let these hybrid mythical creatures teach you how to relax!" They feature grippy soles too! 99% POLYESTER, 1% ELASTANE, EXCLUSIVE OF ELASTIC. Our combed cotton threads are certified by OEKO-TEX® Standard 100, which means we leave out harmful chemicals to keep your skin safe and happy. Approximately fits women's shoe size 5-10, men's shoe size 3.5-8.5.